4YO9
HKU4 3CLpro unbound structure
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | 3C-like proteinase | polymer | 306 | 33220.9 | 2 | UniProt (P0C6W3) Pfam (PF05409) | Bat coronavirus HKU4 (BtCoV) | 3CL-PRO, 3CLp |
| 2 | C (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | D, E, I, J (A, B) | ACETATE ION | non-polymer | 59.0 | 4 | Chemie (ACT) | |||
| 4 | F, K, L (A, B) | ISOPROPYL ALCOHOL | non-polymer | 60.1 | 3 | Chemie (IPA) | |||
| 5 | G (A) | SUCCINIC ACID | non-polymer | 118.1 | 1 | Chemie (SIN) | |||
| 6 | H (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 7 | M (B) | FORMIC ACID | non-polymer | 46.0 | 1 | Chemie (FMT) | |||
| 8 | N, O (A, B) | water | water | 18.0 | 131 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 66441.7 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 764.2 | |
| All* | Total formula weight | 67205.9 |
